117343515520 has 320 divisors, whose sum is σ = 352854108000. Its totient is φ = 36554158080.

The previous prime is 117343515473. The next prime is 117343515559. The reversal of 117343515520 is 25515343711.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 117343515520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65590786 + ... + 65592574.

Almost surely, 2^117343515520 is an apocalyptic number.

117343515520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117343515520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176427054000).

117343515520 is an abundant number, since it is smaller than the sum of its proper divisors (235510592480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117343515520 is an frugal number, since it uses more digits than its factorization.

117343515520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 117343515520 in words is "one hundred seventeen billion, three hundred forty-three million, five hundred fifteen thousand, five hundred twenty".